m3t00🌎M to scienceEnglish • 1 month agoCan the James Webb Space Telescope see galaxies over the universe's horizon?www.space.comexternal-linkmessage-square10arrow-up166arrow-down16file-text
arrow-up160arrow-down1external-linkCan the James Webb Space Telescope see galaxies over the universe's horizon?www.space.comm3t00🌎M to scienceEnglish • 1 month agomessage-square10file-text
minus-square@A_Alink20•edit-21 month agoThere are three proper distances worth keeping straight in one’s mind: Today’s (comoving) distance, the distance when the light set out, and the distance the light itself traveled. http://lifeng.lamost.org/courses/astr553/Topic16/t16_three_distancesB.html
There are three proper distances worth keeping straight in one’s mind: Today’s (comoving) distance, the distance when the light set out, and the distance the light itself traveled.
http://lifeng.lamost.org/courses/astr553/Topic16/t16_three_distancesB.html
Who gave you the right to break my brain with one sentence?